diff --git a/.dev-tools/test_units/custom-bad-referrers.conf b/.dev-tools/test_units/custom-bad-referrers.conf
index 51040d890..03651752c 100644
--- a/.dev-tools/test_units/custom-bad-referrers.conf
+++ b/.dev-tools/test_units/custom-bad-referrers.conf
@@ -44,6 +44,6 @@
 #	"~*\bsomeveryveryrandomwebsitenamethatdoesnotexist3\.com\b" 		1;
 #	"~*\bsome\-veryvery\-randomweb\-sitenamethatdoesnotexist4\.com\b" 	1;
 
-	"~*\bzx6\.ru\b"			0;
+	"~*(?:\b)zx6\.ru(?:\b|)"			0;
 
 	
\ No newline at end of file